whenever me or someone else on my server teleports they just appear in a void type thing I've tried shutting down the nether/end in my server but others can see them but they cant move or see any blocks sometimes they can see mobs but that's all I tried shutting down the nether but it still does this so I know its not the nether/end but its happens whenever they type these commands:/spawn/tpa/home/f home/(any other commands that cause teleportation)

That is most likely de-sync between server and client. The client is waiting to download chunks from the server. When I was running my own Minecraft server I had this issue on a regular basis with clients that were on a slower link. Especially if they were teleporting a couple thousand blocks from A-to-B.